Air Miles Calculator logo

How far is Ontario, CA, from Johnstown, PA?

The distance between Johnstown (Johnstown–Cambria County Airport) and Ontario (Ontario International Airport) is 2164 miles / 3483 kilometers / 1881 nautical miles.

The driving distance from Johnstown (JST) to Ontario (ONT) is 2466 miles / 3968 kilometers, and travel time by car is about 43 hours 56 minutes.

Johnstown–Cambria County Airport – Ontario International Airport

Distance arrow
2164
Miles
Distance arrow
3483
Kilometers
Distance arrow
1881
Nautical miles

Search flights

Distance from Johnstown to Ontario

There are several ways to calculate the distance from Johnstown to Ontario. Here are two standard methods:

Vincenty's formula (applied above)
  • 2164.185 miles
  • 3482.918 kilometers
  • 1880.625 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 2159.494 miles
  • 3475.369 kilometers
  • 1876.549 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Johnstown to Ontario?

The estimated flight time from Johnstown–Cambria County Airport to Ontario International Airport is 4 hours and 35 minutes.

Flight carbon footprint between Johnstown–Cambria County Airport (JST) and Ontario International Airport (ONT)

On average, flying from Johnstown to Ontario generates about 236 kg of CO2 per passenger, and 236 kilograms equals 521 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Johnstown to Ontario

See the map of the shortest flight path between Johnstown–Cambria County Airport (JST) and Ontario International Airport (ONT).

Airport information

Origin Johnstown–Cambria County Airport
City: Johnstown, PA
Country: United States Flag of United States
IATA Code: JST
ICAO Code: KJST
Coordinates: 40°18′57″N, 78°50′2″W
Destination Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W